From "A Most Embarrassing Moments" Contest

A teacher noticed that a little boy at the back of the class was squirming
around, scratching his crotch and not paying attention. She went back to
find out what was going on. He was quite embarrassed and whispered that he
had just recently been circumcised and he was quite itchy. The teacher
told him go down to the principal's office, he was to phone his mother,
and ask her what he should do about it. He did it and he returned to the
classroom, where he sat down in his seat. Suddenly, there was a commotion
at the back of the room. She went back to investigate only to find him
sitting at his desk with his penis hanging out. "I thought I told you to
call your mom." she screamed. "I did," he said, "And she told me that if I
could stick it out till noon, she'd come and pick me up from school..."